1 Plas Mair, William Street, Aberystwyth, SY23 1EB
About 1 Plas Mair
1 Plas Mair is an end-of-terrace house in Aberystwyth (SY23 1EB). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (April 2024) shows a C (score 73). When first surveyed in April 2014 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 86).
Held since September 2002 — that's 24 years off the open market, well above the local norm. At 88 m² the property is well over the postcode median (60 m² across 8 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £244,000 sits 103.4% above the 2002 sale of £119,950. On a £-per-square-foot basis, the last sale (£127/sq ft) was about 36.3% above the typical sold price in the postcode.
Know exactly what you're buying at 1 Plas Mair
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Planning history
1 Plas Mair has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
1 Plas Mair valuation sits well clear of the typical sold price in this postcode.
£244,000
Modelled from EPC, postcode comparables.
£119,950
Recorded with HM Land Registry.
Sales timeline
8 September 2002Most recent
£119,950
Median price across the last 5 sales in SY23 1EB: £140,000 (2022–2009).
Nearby sales in SY23 1EB
3 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Feb 2022
£142,0008 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Sept 2021
£120,0002 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Sept 2013
£177,5006 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Feb 2001
£58,5007 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Sept 2000
£60,000
Everything we know about 1 Plas Mair, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Mill Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.